[PATCH] D111434: [PowerPC] PPC backend optimization on conditional trap intrustions

[Victor Huang via Phabricator via cfe-commits]

NeHuang marked 7 inline comments as done.
NeHuang added inline comments.


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Comment at: llvm/lib/Target/PowerPC/PPCMIPeephole.cpp:1020
+        // We can only do the optimization for the "reg + reg" form.
+        if (!(LiMI1 && (Opcode1 == PPC::LI || Opcode1 == PPC::LI8)))
+          break;
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amyk wrote:
> Do we still need to take into account of the lis+ori that Nemanja mentioned?
IIUC, the optimization will be triggered if the immediate is a s16Immediate. We had the similar check and conversion in this patch https://reviews.llvm.org/D112285 


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https://reviews.llvm.org/D111434